docs: def explore_elan_files(elan_paths):
      """
      A function to explore the tiers of ELAN files.
      """
  
      for elan_path in elan_paths:
          print(elan_path)
          eafob = Eaf(elan_path)
          tier_names = eafob.get_tier_names()
          for tier in tier_names:
              print("\t", tier)
              try:
                  for annotation in eafob.get_annotation_data_for_tier(tier):
                      print("\t\t", annotation)
              except KeyError:
                  continue
  
          input()